cycbot | 9cdcd8f1109ac129069c66d717ae365811edb92f43a17e142c9d2125fe84ff45

General

Target

JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe
Size

193KB
MD5

549701ba72eb9165540cc9eee13515fa
SHA1

981e9d357121b4d48d6cfb10ed15d72793c87283
SHA256

9cdcd8f1109ac129069c66d717ae365811edb92f43a17e142c9d2125fe84ff45
SHA512

b2b312922ccccc0b4afab4bc97842be52a404e692ed7fb2cd11eb7a3a5f5bc4eb8d22a1cdba514b7e3cbdc739258eca7303ea077d850580028df3be3ceb943e6
SSDEEP

6144:f+lEQ62DXn5h9JHVYFNV+coWw4VvjCX2oWgg:fqEGDX5hHHagcoWfvu23gg

Score

10^/10

cycbot backdoor discovery rat upx

Malware Config

Signatures

Cycbot
Cycbot is a backdoor and trojan written in C++..
backdoor rat cycbot
Cycbot family
cycbot

Detects Cycbot payload 5 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral2/memory/1640-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/760-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/760-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/3780-124-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/760-271-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/760-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1640-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1640-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/760-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/760-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3780-124-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/760-271-0x0000000000400000-0x0000000000455000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 1640	760	JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe	84
PID 760 wrote to memory of 1640	760	JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe	84
PID 760 wrote to memory of 1640	760	JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe	84
PID 760 wrote to memory of 3780	760	JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe	85
PID 760 wrote to memory of 3780	760	JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe	85
PID 760 wrote to memory of 3780	760	JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:760
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe startC:\Program Files (x86)\LP\B75F\83B.exe%C:\Program Files (x86)\LP\B75F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1640
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_549701ba72eb9165540cc9eee13515fa.exe startC:\Users\Admin\AppData\Roaming\F8240\F98B7.exe%C:\Users\Admin\AppData\Roaming\F8240
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\F8240\0AF2.824

Filesize
996B

MD5
cf6e1863402d5c12afed8401e1057566

SHA1
e1d7b015304dfb0f58fcb31db2635c0b7a3931ab

SHA256
6c929ed788d9d7f997163b81c9f9bde6d84ac005544223fade59f2ecccf30e64

SHA512
f43dce126890b0397a65a19f25be141aa87a007bc1b260b427a38e571dda85cf396a89b8d8bff4b70ea445fb87efff98b5a256532e101f3e8a9182e2fba63f3d

Download Submit
C:\Users\Admin\AppData\Roaming\F8240\0AF2.824

Filesize
600B

MD5
05ba636b8dfeb5f6c6f03808baa4f16b

SHA1
c26961f41e206b4bf2cb3266f99ffb8c288011d9

SHA256
c28858ba7bef34848a9d639d97e44d6ff83da3c3f553cdf960d28d675260f0ba

SHA512
08903e10140226b008d59767bd3c7e8fe8078588175aae1b75fe00fa7d2c20e44d5dbb551ffdf310b9189789675157f0da5ab5798df6537f02683b38cf314d54

Download Submit
C:\Users\Admin\AppData\Roaming\F8240\0AF2.824

Filesize
1KB

MD5
5e27237f0bf1e7ecb25d6d9d1e3c6b34

SHA1
53fa0354c1a3a229bc3cbeb4d57105515420dd47

SHA256
286e5cf9afb6725cbe64f0d139ff25afd645733abdbcd476d4150c9a27f264dc

SHA512
827519eae7023cef34576d9207a69b2cdb164d143b25034570c8b560839f10728919aaa934af0803ff6466dd571f93c39858dc65442df502ca4a427445926fea

Download Submit
memory/760-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/760-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/760-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/760-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/760-271-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1640-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1640-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1640-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3780-124-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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